EP1213527B1 - Dispositif pour l'isolation de tubes multiples - Google Patents

Dispositif pour l'isolation de tubes multiples Download PDF

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Publication number
EP1213527B1
EP1213527B1 EP01128797A EP01128797A EP1213527B1 EP 1213527 B1 EP1213527 B1 EP 1213527B1 EP 01128797 A EP01128797 A EP 01128797A EP 01128797 A EP01128797 A EP 01128797A EP 1213527 B1 EP1213527 B1 EP 1213527B1
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EP
European Patent Office
Prior art keywords
multiple pipeline
pipeline according
pipelines
casings
protective
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
EP01128797A
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German (de)
English (en)
Other versions
EP1213527A2 (fr
EP1213527A3 (fr
Inventor
Roland Dipl.-Ing. Baumann
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BAUMANN, ROLAND
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Individual
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Filing date
Publication date
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Publication of EP1213527A2 publication Critical patent/EP1213527A2/fr
Publication of EP1213527A3 publication Critical patent/EP1213527A3/fr
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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L59/00—Thermal insulation in general
    • F16L59/14—Arrangements for the insulation of pipes or pipe systems
    • F16L59/153—Arrangements for the insulation of pipes or pipe systems for flexible pipes
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L59/00—Thermal insulation in general
    • F16L59/14—Arrangements for the insulation of pipes or pipe systems
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
    • F24S80/00—Details, accessories or component parts of solar heat collectors not provided for in groups F24S10/00-F24S70/00
    • F24S80/30—Arrangements for connecting the fluid circuits of solar collectors with each other or with other components, e.g. pipe connections; Fluid distributing means, e.g. headers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
    • F24S80/00—Details, accessories or component parts of solar heat collectors not provided for in groups F24S10/00-F24S70/00
    • F24S80/60—Thermal insulation
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F99/00—Subject matter not provided for in other groups of this subclass

Definitions

  • the invention relates to a multiple pipe, in particular a double pipe, with at least two pipes, according to the closer defined in the preamble of claim 1.
  • a multiple pipeline according to the preamble of claim 1 is known from US 2,532,587 known.
  • this multiple pipeline is very complex to produce and can only be used extremely inflexible.
  • a pipeline for a district heating channel is in the DE 32 37 345 A1 described.
  • this pipeline has a very complex construction and, like the pipeline according to the US 2,532,587 , can not be divided into the individual lines.
  • a double pipe, whose pipes can be divided, is in the GB 1 517 757 described.
  • the problem here is the low protection of the individual lines and the only moderate laying the same.
  • a flexible multiple pipeline is known, which is to serve in particular for the piping of solar systems and which has at least two flexible pipes, which are insulated with a thermal insulating material against each other and the environment.
  • the insulation material for this flexible multi-pipe is designed as an insulation tube with an at least approximately oval outer shape, which has openings for the at least two lines of the multi-pipe system.
  • the multiple pipe according to the invention offers the enormous advantage that it in the manner described above in particular with - in principle, but also without - Pipes can be manufactured and sold.
  • flexible piping such as corrugated pipes may be, creates a multiple piping system, which is simple, fast and highly flexible for piping of equipment, especially from equipment in the field of heating technology, such as boilers, storage tanks, solar systems or the like, can be used.
  • This piping system which can preferably serve as supply and return lines, is a very compact, easy-to-use system.
  • the multiple piping system basically also have only an insulated pipe with the jacket of insulating material, in this particular case, for example, the flow, and an over the outer shell connected thereto uninsulated line as return.
  • the pipes are arranged side by side denser than in the use of two separate, independently insulated pipes can.
  • the tubes influence each other, so that despite the use of the jacket, which is generally thinner in the direction of the adjacent tube, insulation material than that in the other areas is used. Nevertheless, an insulation, which meets the requirements of the Heat Insulation Ordinance or other standards and guidelines is realized.
  • the system is highly flexible, since the separation of the outer shell, for example, in the end regions, the connection of the pipes is made possible at a larger amount remote terminal elements.
  • the respective pipeline remains without additional insulation work, such as sticking, wrapping or the like, which would be a very high cost on a construction site, isolated in the area of the terminal.
  • Another advantage of the multiple pipe according to the invention lies in the fact that the lines can be separated in other parts of their laid length, so that it is possible, for example, they can easily be laid around anchors other pipes, system components or obstacles of other kind around.
  • the outer shell must, if the obstacle allows, only in be separated in this area and the tubes of the multiple pipeline can be continued after the circulation of the obstacle in the package summarized by the outer shell.
  • the structure of the insulation, so the shell, each individual of the pipeline over its length change. It can for example be used immediately after a solar collector or the like another, for example, more temperature-resistant insulation material, which then changed over the length of the pipe to another insulation material. It can also be provided accordingly that the respective protective cover or protective layer is arranged only in certain sub-areas, for example if it is foreseeable that only certain portions of the line correspondingly high temperatures, UV radiation or the like are exposed.
  • the multiple pipe according to the invention allows a quick and easy use on site on a construction site, both in new buildings and renovation by the professional or possibly even by a handyman, with no additional insulation measures or bonding individual insulation parts to each other are required. This can result in significant cost savings due to the reduced time and requirement lead by less well-qualified personnel.
  • the outer shell can be separated such that the at least two pipelines can be laid independently of one another.
  • the piping system can then be separated in such a way that it is placed against an already insulated outer wall with the flattened sides, which would each face the adjacent pipe when used properly, so that a comparatively small height is formed, on which the plaster then has to be applied over the pipe.
  • the device for isolating multiple pipes is characterized by an at least approximately oval shape.
  • EPDM rubber is used to realize the insulating material of the coats of the respective pipelines.
  • This material offers tremendous advantages, especially when used in solar systems, since it can withstand comparatively high temperatures for an insulating material and is both UV-resistant and water-vapor-tight is trained. In addition, it offers excellent insulation properties, which, in particular, together with the above-described, at least approximately oval design of the device for the isolation of multiple pipelines allows a comparatively small and compact structure. In addition to the saving of material this can be especially for flush mounting and the like for reasons of space savings advantage.
  • the protective layer of the respective sheaths of insulating material is designed as an independent protective sheath, for example of a polyethylene material.
  • the protective layer can also be made in one piece with the respective monolithically executed jacket, made of the insulating material for each of the pipelines.
  • the protective layer is additionally surrounded by the protective cover.
  • the outer shell and / or at least one of the protective covers can each be formed from a fabric.
  • a fabric consists e.g. Plastic fibers, with materials such as polyamide, PVC, polyester or polypropylene are certainly regarded as the preferred fiber materials.
  • synthetic fibers fiber materials made of metallic fibers are basically conceivable, the advantages of which lies in particular in the below mentioned mechanical load capacity. Basically, a combination of the fabric of plastic and metal fibers is conceivable.
  • a further embodiment of the solution according to the invention provides that at least one cable is integrated in the device according to the invention for the isolation of multiple pipes.
  • This electrical cable can serve as a sensor line, for example for temperature sensors, but it can also be used as a control line, for example for a solar pump or the like.
  • the cable can be integrated together with the coats of their respective conduits provided with their protective layer under the outer shell.
  • the at least one cable is integrated into the jacket of at least one of the two pipes. This can be done, for example, between the jacket and its protective cover, provided that it is constructed in a two-piece type. It is, however conceivable that the cable runs in a notch directly along the pipe in the respective jacket.
  • a device 1 for the isolation of multiple pipes or an insulation system 1 in a plan view can be seen.
  • this is the preferred embodiment as a double pipe system, wherein the two pipes 2a, 2b are indicated in principle only by their center lines.
  • the plan view of FIG. 1 shows in principle only an outer shell 3, which two surrounding the respective pipes 2a, 2b Coats 4a, 4b summarized to the insulation system 1.
  • the structure of the insulation system 1 with the two pipes 2a, 2b is better visible.
  • the two shells 4a, 4b fundamentally, it would also be conceivable that only one of the pipes has a jacket 4a, 4b, surround the pipes 2a, 2b.
  • the sheaths 4a, 4b are made of an insulating material. This material should have the usual properties for insulation materials.
  • this material may be an EPDM rubber or a synthetic rubber with comparable material properties, which, in addition to a very low thermal conductivity, also has very good compatibility with high temperatures.
  • this material is water vapor diffusion tight.
  • other insulation materials for example of polyethylene, mineral wool, rock wool, glass fibers or other materials are conceivable.
  • the sheaths 4a, 4b or at least one of the sheaths 4a, 4b can be made of different materials over the length of the pipe 2a, 2b, which is insulated from it.
  • the sheaths 4a, 4b or at least one of the sheaths 4a, 4b can be made of different materials over the length of the pipe 2a, 2b, which is insulated from it.
  • it can make sense to use an insulation material in the area immediately after the solar system, which has a corresponding better temperature resistance than the insulation material in the piping with a memory or the like.
  • the two sheaths 4a, 4b are embodied monolithically in one piece and can each have a protective layer 5a, 5b applied directly to the material or consisting of the material.
  • a protective covering 6a, 6b is made of the insulating material around each of the monolithically constructed sheaths 4a, 4b.
  • These protective sleeves 6a, 6b may be made of a polyethylene (PE) or polyvinyl chloride (PVC) material. This material offers comparatively good mechanical protection and excellent protection against UV radiation at low cost and low weight.
  • PE polyethylene
  • PVC polyvinyl chloride
  • this may also consist of a fabric.
  • This fabric which is very favorable, especially in the case of relatively tight bends, since a fabric does not tend to fold as much as a film material, may consist of corresponding plastic fibers and / or metal fibers.
  • the insulation system 1 is designed as a two-part double pipe system.
  • the respective adjacent pipes 2a, 2b facing flattening 7b, 7a the respective coats 4a, 4b of the insulating material, a very compact structure can be achieved, which, although between the pipe and the flattening of the insulating material with a lower layer thickness than in the other areas of the case is executed, provides a very good insulation property and meets the heat insulation ordinance or other standards and guidelines.
  • FIG. 3 shows an alternative construction, which corresponds in principle to the structure explained in FIG. 2.
  • an electrical cable 8 which can serve as a sensor line, control line or the like, for example, integrated into the insulation system 1.
  • this integration takes place in the insulation system 1 by the cable 8 is placed under the outer shell 3.
  • the two shells 4a, 4b in this case each have a chamfer 9a, 9b at one end of the respective flats 7a, 7b, so that space is created for the electrical cable 8 here.
  • both pipes 2a, 2b are each arranged in a jacket 4a, 4b of the insulating material.
  • the structure is identical to the structure in Fig. 2 to understand, with only the shape of the coats 4a, 4b differs in its cross section from the cross section shown in Fig. 2 here.
  • the rectangular cross-section of the two sheaths 4a, 4b results in corresponding advantages in the processing of the insulation system 1.
  • the insulation system 1 can be laid, for example, under plaster, without resulting in the oval in cross-sectional shape of the entire insulation system 1 difficulties in embedding in the plaster which can result from cavities between a support surface and the oval insulation system 1 resting there only selectively or on a small surface.
  • FIG. 5 shows a comparable structure, whereby here not only the asymmetry shown in FIG. 4 is given due to the mutually facing pipelines in the insulation material, but also a further asymmetry in a direction shown in the drawing is noticeable here.
  • this system is very well suited to the field of a floor to be laid in the screed.
  • the insulation layer is made correspondingly thicker.
  • FIG. 6 shows a further variant which, in principle, has the properties of the insulation system according to FIG. 4 already described above. Only here in the drawing upwardly facing edge regions are executed with a rounding. In addition to the ideal prerequisites to lay this structure open on a flat wall or the like, but he could also be installed under plaster. In the area which points downward in FIG. 6 in the drawing shown here, the installation on a wall or the like, without a gap being created, is possible, while on the other side the resulting edge areas could be filled up with the plastering material.
  • Fig. 7 shows the same structure as Fig. 4, wherein the two shells 4a, 4b of the insulation system 1 were rotated here by 90 °.
  • the protective cover 3 has a very stable structure, in particular a fiber or a fabric having structure, since this against mechanical damage, which could occur when investing in plaster or screed, is sufficiently stable.
  • the insulation system 1 described can be used for the insulation of different kinds of pipelines at different diameters.
  • a preferred embodiment would provide the use together with flexible piping, such as corrugated tubing, which would be combined before the distribution of the insulation system 1 with this into one unit.
  • the preferred use would be in the piping of plants in the field of heating technology, especially in solar systems to see.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Thermal Insulation (AREA)
  • Pipeline Systems (AREA)
  • Protection Of Pipes Against Damage, Friction, And Corrosion (AREA)
  • Laminated Bodies (AREA)
  • Rigid Pipes And Flexible Pipes (AREA)
  • Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)

Claims (21)

  1. Conduite à tubes multiples, en particulier conduite à deux tubes comprenant au moins deux conduites tubulaires (2a, 2b) qui comportent chacune une gaine (4a, 4b) en matière isolante, dans laquelle chacune des gaines (4a, 4b) faites de la matière isolante est entourée, au moins sur une partie de sa longueur et sur toute sa périphérie, d'une couche protectrice souple d'une seule pièce (5a, 5b) et/ou d'une enveloppe protectrice (6a, 6b), et dans laquelle les conduites tubulaires individuelles (2a, 2b) sont assemblées pour former la conduite à tubes multiples au moyen d'une enveloppe extérieure (3) au moins partiellement amovible qui peut être enlevée,
    caractérisée en ce que
    les conduites tubulaires (2a, 2b) sont séparées l'une de l'autre par leur couche protectrice respective (5a, 5b) et/ou par leur enveloppe protectrice respective (6a, 6b) de telle manière que, si l'on ouvre l'enveloppe extérieure (3), les conduites tubulaires (2a, 2b), avec leur gaine respective (4a, 4b) et leur couche protectrice respective (5a, 5b) et/ou leur enveloppe protectrice (6a, 6b), peuvent être séparées en deux conduites tubulaires (2a, 2b) indépendantes l'une de l'autre, qui sont entourées sur toute leur périphérie de leur gaine respective (4a, 4b) et de leur couche protectrice respective (5a, 5b) et/ou de leur enveloppe protectrice respective (6a, 6b), lesquelles conduites pouvant être posées indépendamment l'une de l'autre et en ce que les régions des gaines (4a, 4b) qui sont dirigées à chaque fois vers les conduites tubulaires adjacentes (2a, 2b) forment des méplats (7a, 7b), de sorte qu'il est possible d'appliquer les gaines (4a, 4b) l'une contre l'autre, par leurs couches protectrices respectives (5a, 5b) et/ou leurs enveloppes protectrices (6a, 6b) en réalisant une liaison au moins approximativement par complémentarité de forme.
  2. Conduite à tubes multiples selon la revendication 1,
    caractérisée en ce que
    la matière isolante est faite de caoutchouc EPDM.
  3. Conduite à tubes multiples selon la revendication 1 ou 2,
    caractérisée en ce que
    chacune des gaines (4a, 4b) comporte l'enveloppe protectrice (6a, 6b) sur sa surface dirigée vers l'enveloppe extérieure (3) et/ou vers les gaines adjacentes (4b, 4a).
  4. Conduite à tubes multiples selon l'une des revendications 1 à 3,
    caractérisée en ce que
    la couche protectrice (5a, 5b) est en une seule pièce avec la gaine respective (4a, 4b).
  5. Conduite à tubes multiples selon la revendication 3,
    caractérisée en ce que
    l'enveloppe protectrice (6a, 6b) est faite d'une matière de polyéthylène (PE).
  6. Conduite à tubes multiples selon la revendication 3,
    caractérisée en ce que
    l'enveloppe protectrice (6a, 6b) est faite d'une matière de polychlorure de vinyle (PVC).
  7. Conduite à tubes multiples selon la revendication 3,
    caractérisée en ce que
    l'enveloppe protectrice (6a, 6b) est faite d'un tissu de fibres synthétiques et/ou métalliques.
  8. Conduite à tubes multiples selon l'une des revendications 1 à 7,
    caractérisée en ce que
    l'enveloppe extérieure (3) est faite d'une matière de polyéthylène (PE).
  9. Conduite à tubes multiples selon l'une des revendications 1 à 7,
    caractérisée en ce que
    l'enveloppe extérieure (3) est faite d'une matière de polychlorure de vinyle (PVC).
  10. Conduite à tubes multiples selon l'une des revendications 1 à 7,
    caractérisée en ce que
    l'enveloppe extérieure (3) est faite d'un tissu de fibres synthétiques et/ou métalliques.
  11. Conduite à tubes multiples selon l'une des revendications 1 à 10,
    caractérisée en ce que
    chacune des gaines (4a, 4b) est formée en une seule pièce, sans joint.
  12. Conduite à tubes multiples selon l'une des revendications 1 à 11,
    caractérisée en ce que
    les conduites tubulaires (2a, 2b) sont constituées par des conduites tubulaires flexibles (2a, 2b) connues en soi.
  13. Conduite à tubes multiples selon la revendication 12,
    caractérisée en ce que
    les conduites tubulaires flexibles (2a, 2b) sont constituées par des tubes ondulés annelés ou hélicoïdaux.
  14. Conduite à tubes multiples selon l'une des revendications 1 à 13,
    caractérisée en ce que
    au moins un câble électrique (8) est intégré dans la zone entre les conduites tubulaires (2a, 2b) et l'enveloppe extérieure (3).
  15. Conduite à tubes multiples selon la revendication 14,
    caractérisée en ce que
    au moins un câble électrique (8) est disposé directement sous l'enveloppe extérieure (3).
  16. Conduite à tubes multiples selon la revendication 14 ou 15,
    caractérisée en ce que
    des chanfreins (9a, 9b) ou encoches (10, 10') prévus sur au moins une des gaines (4a, 4b) ménagent de la place pour au moins un câble (8).
  17. Conduite à tubes multiples selon la revendication 14, 15 ou 16,
    caractérisée en ce que
    le au moins un câble électrique (8) est intégré entre l'une des conduites tubulaires (2a, 2b) et son enveloppe protectrice (6a, 6b).
  18. Conduite à tubes multiples selon l'une des revendications 1 à 17,
    caractérisée par
    une forme au moins approximativement ovale.
  19. Conduite à tubes multiples selon l'une des revendications 1 à 18,
    caractérisée en ce que
    chacune de gaines (4a, 4b) présente au moins approximativement la forme d'un demi-ovale, le méplat (7a, 7b) étant disposé à chaque fois dans la région dirigée vers l'autre conduite tubulaire (2b, 2a).
  20. Conduite à tubes multiples selon l'une des revendications 1 à 17,
    caractérisée en ce que
    chacune des gaines (4a, 4b) est de configuration au moins approximativement rectangulaire.
  21. Conduite à tubes multiples selon la revendication 20
    caractérisée en ce que
    au moins une des conduites tubulaires (2a, 2b) est disposée dans sa gaine (4a, 4b) dans une position différente du centre de la surface de section de la gaine (4a, 4b).
EP01128797A 2000-12-05 2001-12-04 Dispositif pour l'isolation de tubes multiples Expired - Lifetime EP1213527B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE20020563U DE20020563U1 (de) 2000-12-05 2000-12-05 Vorrichtung zur Isolation von Mehrfachrohrleitungen
DE20020563U 2000-12-05

Publications (3)

Publication Number Publication Date
EP1213527A2 EP1213527A2 (fr) 2002-06-12
EP1213527A3 EP1213527A3 (fr) 2003-10-22
EP1213527B1 true EP1213527B1 (fr) 2007-09-05

Family

ID=7949646

Family Applications (1)

Application Number Title Priority Date Filing Date
EP01128797A Expired - Lifetime EP1213527B1 (fr) 2000-12-05 2001-12-04 Dispositif pour l'isolation de tubes multiples

Country Status (4)

Country Link
EP (1) EP1213527B1 (fr)
AT (1) ATE372482T1 (fr)
DE (2) DE20020563U1 (fr)
ES (1) ES2292523T3 (fr)

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DE19817689A1 (de) * 1998-04-21 1999-10-28 Basf Ag Isolierung für medienführende Rohre
DE29815001U1 (de) * 1998-06-13 1998-12-17 Firma Re Energie Energiesysteme Armbrecht + Partner, 91189 Rohr Wärmeisolierte Rohre
EP0974784A1 (fr) * 1998-07-21 2000-01-26 SPF Solartechnik Prüfung Forschung Ingenieurschule Rapperswil ITR Tuyau pour fluides avec isolation thermique
DE19834293A1 (de) * 1998-07-29 2000-02-10 Martin Praxenthaler Bausatzteil für Leitungen von Solaranlagen
GB2347985B (en) * 1999-03-13 2002-12-11 Federal Mogul Technology Ltd Thermally-insulating sleeve
DE29923057U1 (de) 1999-12-31 2000-02-17 Baumann, Roland, Dipl.-Ing. (FH), 89081 Ulm Leitungssystem zur Verrohrung von Anlagenkomponenten im Bereich der Heizungstechnik

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ES2292523T3 (es) 2008-03-16
ATE372482T1 (de) 2007-09-15
EP1213527A2 (fr) 2002-06-12
EP1213527A3 (fr) 2003-10-22
DE20020563U1 (de) 2002-04-11
DE50112956D1 (de) 2007-10-18

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